The BSG-1 Basic by Yupiteru, a perfect measuring device for practice. - Brand: Yupiteru - Model Name: BSG-1 Basic - Country of Manufacture: Japan *Batteries not included. Thank you for viewing. This item is being sold due to upgrading to a new model. It was mainly used indoors to measure swing speed. Operation has been confirmed, but there is a noticeable scratch on the top of the main unit (between the "yupiteru" print and the LCD: see photo 1). In addition, there are minor scratches as it was used regularly. Please refer to the photos and only purchase if you can accept these conditions.